Adventure Team GI Joe in: "The Legend of Gwanji"

During the turn of the Century, there was a strange story that came out of Mexico that told of a group of rodeo performers attempting to capture a giant upright walking lizard. Eyewitness accounts were spotty at best, but a detailed drawing surfaced that showed a creature resembling a prehistoric species of theropod dinosaur. Many expeditions were made in the mysterious valley in Mexico where the mythical theropod "Gwanji" and other bizarre creatures was supposed to have been sighted with no results. However, with the ongoing battle against A.X.I.S. and their ability to open "time portals". The Adventure Team has made a discovery of INTRUDER alien activity that dates back just before the 1900's! Now these creatures from millions of years ago are being sighted all over the western states of Utah, Nevada, Arizona, and New Mexico! Can our teams of GI Joe operatives control the spread of "The Legend of Gwanji"?!